3817833738445 has 8 divisors (see below), whose sum is σ = 4582324744344. Its totient is φ = 3053650818624.

The previous prime is 3817833738427. The next prime is 3817833738491. The reversal of 3817833738445 is 5448373387183.

It can be written as a sum of positive squares in 4 ways, for example, as 274716449956 + 3543117288489 = 524134^2 + 1882317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3817833738445 - 2¹⁹ = 3817833214157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76994254 + ... + 77043823.

It is an arithmetic number, because the mean of its divisors is an integer number (572790593043).

Almost surely, 2^{3817833738445} is an apocalyptic number.

It is an amenable number.

3817833738445 is a deficient number, since it is larger than the sum of its proper divisors (764491005899).

3817833738445 is a wasteful number, since it uses less digits than its factorization.

3817833738445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154043039.

The product of its digits is 162570240, while the sum is 64.

The spelling of 3817833738445 in words is "three trillion, eight hundred seventeen billion, eight hundred thirty-three million, seven hundred thirty-eight thousand, four hundred forty-five".